A systematic review of the success of sinus floor elevation and survival of implants inserted in combination with sinus floor elevation Part II: Transalveolar technique

Wah Ching Tan, Niklaus P. Lang, Marcel Zwahlen, Bjarni E. Pjetursson

Research output: Contribution to journalArticlepeer-review

259 Citations (Scopus)

Abstract

Objectives: The objectives of this systematic review were to assess the survival rate of implants placed in sites with transalveolar sinus floor elevation. Material and Methods: An electronic search was conducted to identify prospective and retrospective cohort studies on transalveolar sinus floor elevation, with a mean follow-up time of at least 1 year after functional loading. Failure and complication rates were analyzed using random-effects Poisson regression models to obtain summary estimates/ year proportions. Results: The search provided 849 titles. Full-text analysis was performed for 176 articles, resulting in 19 studies that met the inclusion criteria. Meta-analysis of these studies indicated an estimated annual failure rate of 2.48% (95% confidence interval (95% CI): 1.37-4.49%) translating to an estimated survival rate of 92.8% (95% CI): 87.4-96.0%) for implants placed in transalveolarly augmented sinuses, after 3 years in function. Furthermore, subject-based analysis revealed an estimated annual failure of 3.71% (95% CI: 1.21-11.38%), translating to 10.5% (95% CI: 3.6-28.9%) of the subjects experiencing implant loss over 3 years. Conclusion: Survival rates of implants placed in transalveolar sinus floor augmentation sites are comparable to those in non-augmented sites. This technique is predictable with a low incidence of complications during and post-operatively.

Original languageEnglish
Pages (from-to)241-254
Number of pages14
JournalJournal of Clinical Periodontology
Volume35
Issue numberSUPPL. 8
DOIs
Publication statusPublished - Sept 2008

Other keywords

  • Biological complications
  • Bone augmentation
  • Bone grafting
  • Complications
  • Crestal approach
  • Dental implants
  • Failures
  • Longitudinal
  • Meta-analysis
  • Osteotome technique
  • Peri-implantitis
  • Sinus augmentation
  • Sinus floor elevation
  • Sinus grafting
  • Success
  • Survival

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